Brenda and jessica are selling wrapping paper for a school fundraiser.
customers can buy rolls of plain wrapping paper and rolls of holiday wrapping paper. brenda sold 2 rolls
of plain wrapping paper and 1 roll of holiday wrapping paper for a total of $41. jessica sold 7 rolls of plain
wrapping paper and 1 roll of holiday wrapping paper for a total of $106. find how much each type of
wrapping paper costs per roll.

What is the approximate circumference of the circle shown below?

What is this inequality notation? t is less then or equal to 2

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?